单项选择题

Questions 19 to 22 are based on the conversation you have just heard.

A. Teaching them to act with humans.
B. Teaching them communication skills.
C. Making them finish a series of actions.
D. Making them as clever as dogs.

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单项选择题The biggest obstacles to today’s children being allowed out in nature arise from ______.

A. parents’ prudence
B. parents’ anxiety
C. traffic problems
D. technology development

单项选择题A. He sells paint supplies. B. He plans to take an art class with the woman. C. He works as an artist. D. He works in an art museum.

A. He sells paint supplies.
B. He plans to take an art class with the woman.
C. He works as an artist.
D. He works in an art museum.

Questions 19 to 22 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。

Questions 19 to 22 are based on the conversation you have just heard.